2520539432 has 8 divisors (see below), whose sum is σ = 4726011450. Its totient is φ = 1260269712.

The previous prime is 2520539423. The next prime is 2520539443. The reversal of 2520539432 is 2349350252.

It can be written as a sum of positive squares in only one way, i.e., 1458170596 + 1062368836 = 38186^2 + 32594^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2520539392 and 2520539401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157533707 + ... + 157533722.

Almost surely, 2^2520539432 is an apocalyptic number.

It is an amenable number.

2520539432 is a deficient number, since it is larger than the sum of its proper divisors (2205472018).

2520539432 is a wasteful number, since it uses less digits than its factorization.

2520539432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315067435 (or 315067431 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 2520539432 is about 50204.9741758723. The cubic root of 2520539432 is about 1360.9155153377.

Adding to 2520539432 its reverse (2349350252), we get a palindrome (4869889684).

The spelling of 2520539432 in words is "two billion, five hundred twenty million, five hundred thirty-nine thousand, four hundred thirty-two".